Structure of χ3-Borophene Studied by Total-Reflection High-Energy Positron Diffraction (TRHEPD)

Yuki Tsujikawa*, Makoto Shoji, Masashi Hamada, Tomoya Takeda, Izumi Mochizuki, Toshio Hyodo, Iwao Matsuda, Akari Takayama

*この研究の対応する著者

研究成果: Article査読

抄録

We have investigated the structure of χ3-borophene on Ag(111), a monolayer material of boron atoms, via total-reflection high-energy positron diffraction (TRHEPD). By comparing the experimental rocking-curves with ones for several structures calculated by using dynamical diffraction theory, we confirmed that the χ3-borophene layer has a flat structure. The distance from the topmost layer of the metal crystal is 2.4 Å, which is consistent with results reported by X-ray standing wave-excited X-ray photoelectron spectroscopy. We also demonstrated that the in-plane structure of χ3-borophene is compatible with the theoretical predictions. These structural properties indicate that χ3-borophene belongs to a group of epitaxial monolayer sheets, such as graphene, which have weak interactions with the substrates.

本文言語English
論文番号4219
ジャーナルMolecules
27
13
DOI
出版ステータスPublished - 2022 7月 1

ASJC Scopus subject areas

  • 分析化学
  • 化学(その他)
  • 分子医療
  • 薬科学
  • 創薬
  • 物理化学および理論化学
  • 有機化学

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